How Carlsen kept his World Chess crown... after 50 hours!

'Armageddon' was avoided at the World Chess Championship as Norway's world number one Magnus Carlsen retained his title after 12 drawn games and more than 50 hours of tense play - eventually beating US opponent Fabiano Caruana in a tie-breaker.

The deadlock was broken when Carlsen won three time-limited games, Richard Conway went to watch the last day unfold in London.